Across
- 2. The number that follows five.
- 4. The number that follows nine.
- 6. The thirteenth whole number.
- 8. The ninth whole number.
- 9. The number after three.
- 11. The number that comes after eleven.
- 13. The fifth whole number.
- 14. The number that follows thirteen.
Down
- 1. The number that comes after seven.
- 3. The number after six.
- 5. The number after ten.
- 6. The number that follows two.
- 7. The fifteenth whole number.
- 10. The first whole number.
- 12. The number that comes after one.